diff --git a/.github/workflows/sims.yml b/.github/workflows/sims.yml
index beb5760..d900e06 100644
--- a/.github/workflows/sims.yml
+++ b/.github/workflows/sims.yml
@@ -39,7 +39,7 @@ jobs:
         run: go version
       - name: Install runsim
         run: export GO111MODULE="on" && go get github.com/cosmos/tools/cmd/runsim@v1.0.0
-      - uses: actions/cache@v3.0.11
+      - uses: actions/cache@v4.0.0
         with:
           path: ~/go/bin
           key: ${{ runner.os }}-go-runsim-binary
@@ -62,7 +62,7 @@ jobs:
             **/**.go
             go.mod
             go.sum
-      - uses: actions/cache@v3.0.11
+      - uses: actions/cache@v4.0.0
         with:
           path: ~/go/bin
           key: ${{ runner.os }}-go-runsim-binary
@@ -91,7 +91,7 @@ jobs:
             go.sum
           SET_ENV_NAME_INSERTIONS: 1
           SET_ENV_NAME_LINES: 1
-      - uses: actions/cache@v3.0.11
+      - uses: actions/cache@v4.0.0
         with:
           path: ~/go/bin
           key: ${{ runner.os }}-go-runsim-binary
@@ -120,7 +120,7 @@ jobs:
             go.sum
           SET_ENV_NAME_INSERTIONS: 1
           SET_ENV_NAME_LINES: 1
-      - uses: actions/cache@v3.0.11
+      - uses: actions/cache@v4.0.0
         with:
           path: ~/go/bin
           key: ${{ runner.os }}-go-runsim-binary
@@ -149,7 +149,7 @@ jobs:
             go.sum
           SET_ENV_NAME_INSERTIONS: 1
           SET_ENV_NAME_LINES: 1
-      - uses: actions/cache@v3.0.11
+      - uses: actions/cache@v4.0.0
         with:
           path: ~/go/bin
           key: ${{ runner.os }}-go-runsim-binary